var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var indexRouter = require("./routes/index");
var classesRouter = require("./routes/classes");
var salesMenRouter = require("./routes/salesMen");
var imagesRouter = require("./routes/images");
var usersRouter = require("./routes/users");
var customersRouter = require("./routes/customers");
var salesMenRouter = require("./routes/salesMen");
var imagesRouter = require("./routes/images");
var adminsRouter = require("./routes/admins");
var productsRouter = require("./routes/products");
var loginRouter = require("./routes/login");
var ordersRouter = require("./routes/orders");

var claimsRouter = require("./routes/claims");

//连接数据库
const mongoose = require("mongoose");
// 设置数据库服务器地址
const dbURI = "mongodb://localhost:27017/Insure";
// 连接数据库
mongoose.connect(dbURI, { useNewUrlParser: true, useUnifiedTopology: true });
// 当数据库连接成功时触发该事件
mongoose.connection.on("connected", () =>
    console.log(dbURI + " 数据库连接成功")
);

var app = express();

//token验证
const jwtAuth = require("./utils/jwt.js");

// 跨域请求
var allowCrossDomain = function(req, res, next) {
    // 设置允许跨域访问的请求源（* 表示接受任意域名的请求）
    res.header("Access-Control-Allow-Origin", "*");
    // 设置允许跨域访问的请求头
    res.header(
        "Access-Control-Allow-Headers",
        "X-Requested-With,Origin,Content-Type,Accept,Authorization"
    );
    // 设置允许跨域访问的请求类型
    res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
    // 同意 cookie 发送到服务器（如果要发送cookie，Access-Control-Allow-Origin 不能设置为星号）
    res.header("Access-Control-Allow-Credentials", "true");
    next();
};
app.use(allowCrossDomain);

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

app.use(jwtAuth);
app.use("/", indexRouter);
app.use("/salesMen", salesMenRouter);
app.use("/images", imagesRouter);
app.use("/admins", adminsRouter);
app.use("/classes", classesRouter);
app.use("/users", usersRouter);
app.use("/customers", customersRouter);
app.use('/salesMen', salesMenRouter);
app.use('/images', imagesRouter)
app.use("/admins", adminsRouter);
app.use('/login', loginRouter);
app.use("/claims", claimsRouter)
app.use("/orders", ordersRouter)

//products
app.use("/products", productsRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get("env") === "development" ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render("error");
});

app.listen(3000, function() {
    console.log("3000端口启动成功");
});